* gcc.dg/funcorder.c: Remove XFAIL for hppa*64*-*-*.

[pf3gnuchains/gcc-fork.git] / gcc / configure.ac

diff --git a/gcc/configure.ac b/gcc/configure.ac
index dace19c..166500e 100644 (file)
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -589,6 +589,10 @@ AC_ARG_ENABLE(build-with-cxx,
 ENABLE_BUILD_WITH_CXX=$enableval,
 ENABLE_BUILD_WITH_CXX=no)
 AC_SUBST(ENABLE_BUILD_WITH_CXX)
+if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
+  AC_DEFINE(ENABLE_BUILD_WITH_CXX, 1,
+           [Define if building with C++.])
+fi
 
 # With stabs
 AC_ARG_WITH(stabs,
@@ -905,6 +909,24 @@ AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 gcc_AC_C_CHAR_BIT
 AC_C_BIGENDIAN
 
+# ----------------------
+# Checks for C++ headers
+# ----------------------
+
+dnl Autoconf will give an error in the configure script if there is no
+dnl C++ preprocessor.  Hack to prevent that.
+m4_pushdef([AC_MSG_ERROR], m4_defn([AC_MSG_WARN]))[]dnl
+AC_PROG_CXXCPP
+m4_popdef([AC_MSG_ERROR])[]dnl
+
+AC_LANG_PUSH(C++)
+
+AC_CHECK_HEADERS(unordered_map)
+AC_CHECK_HEADERS(tr1/unordered_map)
+AC_CHECK_HEADERS(ext/hash_map)
+
+AC_LANG_POP(C++)
+
 # --------
 # UNSORTED
 # --------
@@ -3851,8 +3873,8 @@ gcc_GAS_CHECK_FEATURE([.lcomm with alignment], gcc_cv_as_lcomm_with_alignment,
   [Define if your assembler supports .lcomm with an alignment field.])])
 
 AC_ARG_ENABLE(gnu-unique-object,
- [  --enable-gnu-unique-object enable the use of the @gnu_unique_object ELF extension on
-                               glibc systems],
+ [AS_HELP_STRING([--enable-gnu-unique-object],
+   [enable the use of the @gnu_unique_object ELF extension on glibc systems])],
  [case $enable_gnu_unique_object in
     yes | no) ;;
     *) AC_MSG_ERROR(['$enable_gnu_unique_object' is an invalid value for --enable-gnu-unique-object.
@@ -4759,6 +4781,18 @@ if test x"$enable_plugin" = x"yes"; then
   AC_DEFINE(ENABLE_PLUGIN, 1, [Define to enable plugin support.])
 fi
 
+
+AC_ARG_ENABLE(libquadmath-support,
+[AS_HELP_STRING([--disable-libquadmath-support],
+  [disable libquadmath support for Fortran])],
+ENABLE_LIBQUADMATH_SUPPORT=$enableval,
+ENABLE_LIBQUADMATH_SUPPORT=yes)
+if test "${ENABLE_LIBQUADMATH_SUPPORT}" != "no" ; then
+  AC_DEFINE(ENABLE_LIBQUADMATH_SUPPORT, 1,
+            [Define to 1 to enable libquadmath support])
+fi
+
+
 # Configure the subdirectories
 # AC_CONFIG_SUBDIRS($subdirs)